Question

我正在使用angular生成多个元素的json数据。我正在输出

{"field":{"name":{"0":"a","1":"b"},"length":{"0":10,"1":20}}}

我希望jsondata变得复杂（以数组形式），例如：

{"field":[{"name":"a", "length":10},{"name":"b", "length":20}]}

我怎样才能做到这一点？

<!DOCTYPE html>
<html>
<head>
<script src="https://rawgit.com/angular/bower-angular/master/angular.min.js"></script>
<meta charset=utf-8 />  
</head>
<body>

  <div ng-app="mainApp" ng-controller="JsonController as ctrl">

   <div ng-repeat="a in [1,2] track by $index">
     <input type="text" ng-model="task.field['name'][$index]">
     <input type="number" ng-model="task.field['length'][$index]"> 
   </div>

    <pre>
    {{task}}
    </pre>
  </div>

<script>
  (function() {
    angular.module("mainApp", []).controller("JsonController", function($scope) {
          $scope.task = {};

          });
    }());
</script>

</body>
</html>

Answer 1

<div ng-repeat="a in [1,2] track by $index">
  <input type="text" ng-model="task.field[$index].name">
  <input type="number" ng-model="task.field[$index].length"> 
</div>

$scope.task = {
    field: []
};

虽然我根本不喜欢这种方法。为什么不在控制器中预先创建对象，只是迭代它们：

<div ng-repeat="t in task.field">
  <input type="text" ng-model="t.name">
  <input type="number" ng-model="t.length"> 
</div>

$scope.task = {
    field: [{}, {}]
};

为具有相同型号名称的多个元素生成JSON数组

1 个答案: